Patents by Inventor James G. Masters

James G. Masters has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Effervescent dual component dentifrice having reduced sensory cues
    Patent number: 6333024
    Abstract: A two component effervescent dentifrice composition, having a first alkali metal bicarbonate containing component which also contains a naturally occurring alkyl vanillyamide such as capsaicin and a second acid-containing dentifrice component; the first and second components being separated prior to use, whereupon when combined upon application to the teeth the dentifrice provides an enhanced sensory signal.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: December 25, 2001
    Assignee: Colgate-Palmolive Company
    Inventors: James G. Masters, David B. Viscio, Jeffrey H. Glaser, Gary Tambs, Benjamin Y. Mandanas
  • Dual component oral composition having accelerated tooth whitening effect
    Patent number: 6290935
    Abstract: Two component whitening dentifrice composition which exhibits rapid whitening of stained or discolored teeth, which composition comprises a first dentifrice component containing a peroxide compound and the second component containing Fe ion implanted silicate clay, the first and second dentifrice components being maintained separate from each other until dispensed for application to teeth requiring the removal of stain and discoloration.
    Type: Grant
    Filed: July 21, 2000
    Date of Patent: September 18, 2001
    Assignee: Colgate-Palmolive Company
    Inventors: James G. Masters, Robert J. Gambogi, Mike Wong, Diego A. Hoic, Vincent O. Drago
  • Effervescent whitening dentifrice having oxygen-derived sensory signal
    Patent number: 6254857
    Abstract: An effervescent two component whitening dentifrice composition is disclosed which comprises a first component containing a peroxide compound such as hydrogen peroxide and a second dentifrice component containing a mixture of iron and copper salts such as FeSO4 and CaSO4, which when the two components are combined and mixed upon application to the teeth provides an effervescent sensory signal concomitant with whitening of the teeth.
    Type: Grant
    Filed: May 24, 2000
    Date of Patent: July 3, 2001
    Assignee: Colgate-Palmolive Company
    Inventors: Diego A. Hoic, David B. Viscio, James G. Masters
  • Dual component dentinal desensitizing dentifrice
    Patent number: 6180089
    Abstract: A two component dental composition is disclosed which eliminates or substantially reduces the discomfort and pain associated with dentinal hypersensitivity which composition comprises a first dentifrice component having an alkaline pH, a second dentifrice component having an acid pH and at least one of the components containing a potassium ion releasable compound, the first and second components being maintained separate from each other until dispensed and combined for application to teeth requiring relief from dentine hypersensitivity, whereby heightened desensitization is experienced by the user.
    Type: Grant
    Filed: January 21, 1999
    Date of Patent: January 30, 2001
    Assignee: Colgate-Palmolive Company
    Inventors: Robert J. Gambogi, Steven W. Fisher, Edward A. Tavss, Marilou T. Joziak, James G. Masters
  • Dentifrice composition containing calcium peroxide having heightened tooth whitening effect
    Patent number: 5698182
    Abstract: A method for inhibiting dental calculus concomitant with tooth whitening is disclosed wherein there is applied to the teeth an oral composition containing in a vehicle an amount of a anticalculus phosphate salt and an amount of calcium peroxide effective to whiten teeth, the vehicle containing about 4 to about 9% by weight water and an amount of calcined alumina effective to heighten the whitening effect of the CaO2, and allowing the composition to remain on the teeth for a time sufficient to effect whitening thereof.
    Type: Grant
    Filed: October 22, 1996
    Date of Patent: December 16, 1997
    Assignee: Colgate Palmolive Company
    Inventors: Michael Prencipe, James G. Masters, Vincent O. Drago
  • Silica abrasive dentifrice of reduced stringless and improved flavor
    Patent number: 5601803
    Abstract: There is disclosed a flavored silica abrasive dentifrice which delivers higher levels and intensity of flavor and exhibits less stringiness the dentifrice having incorporated therein a cellulose gel comprised of a coprocessed mixture of microcrystalline cellulose and a cellulose gum such as carboxymethylcellulose.
    Type: Grant
    Filed: May 26, 1995
    Date of Patent: February 11, 1997
    Inventors: James G. Masters, Michael Prencipe, Julie A. Burke, Linda J. Vellekoop